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Equipment Discussions >> Mounts

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Solar Ken
professor emeritus
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Reged: 02/07/06

Loc: Oregon
Need replacement focus knobs for Vixen Porta Mount
      #3781274 - 05/02/10 12:10 PM

I'd like to replace the focus knobs/shafts on my Vixen Porta Mount with a metal type with set screw, rather than the plastic slip on type that came with the mount.

Any suggestions where to find replacements?

Thanks, Ken


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Manny Myles
Postmaster
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: Need replacement focus knobs for Vixen Porta Mount new [Re: Solar Ken]
      #3781928 - 05/02/10 06:09 PM

Do you mean the slo mo cables as the Porta itself does not have focus knobs that I have ever seen ;-).
If you are looking for the slo mo cables, Astronomics has 'em.
m2


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thinger62
sage
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Reged: 08/04/09

Re: Need replacement focus knobs for Vixen Porta Mount new [Re: Solar Ken]
      #3782320 - 05/02/10 09:08 PM

I bought a pair of longer ones from the classifieds here. I think they're a pretty standard size, and I believe there are some for sale right now (or there were recently).

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Fred1
Carpal Tunnel
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Reged: 09/19/07

Loc: Somewhere in the Orion Spur
Re: Need replacement focus knobs for Vixen Porta Mount new [Re: thinger62]
      #3782552 - 05/02/10 11:04 PM

Ken, are you looking for something like these?

http://scopestuff.net/ss_cstal.htm


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StargazerBill
professor emeritus
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Reged: 01/27/07

Loc: Catawba, VA
Re: Need replacement focus knobs for Vixen Porta Mount new [Re: Fred1]
      #3783366 - 05/03/10 11:08 AM

http://www.focusknobs.com/

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Solar Ken
professor emeritus
*****

Reged: 02/07/06

Loc: Oregon
Re: Need replacement focus knobs for Vixen Porta Mount new [Re: StargazerBill]
      #3784029 - 05/03/10 04:21 PM

Oops, I didn't mean to say "focus" knobs. Yes I mean slo-mo knobs. I'm not interested in the flexible type so maybe the ones from focusknobs.com are the way to go. A little spendy though.

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skybsd
Post Laureate
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Reged: 02/01/08

Re: Need replacement focus knobs for Vixen Porta Mount new [Re: Solar Ken]
      #3784179 - 05/03/10 05:28 PM

Whew!

Glad you cleared that up. I was wondering if I had missed something completely fundamental in my understanding of how this mount work

Regards,

skybsd


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Jon Isaacs
Postmaster
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Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Need replacement focus knobs for Vixen Porta Mount new [Re: StargazerBill]
      #3784443 - 05/03/10 07:58 PM

Quote:

http://www.focusknobs.com/




Those look interesting... I don't recommend the flexible cable type slo mo controls, they can cause slow vibrations in the scope as the wobble.

Jon


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